45-53 is the prime age for men to drop dead of a heart attack. My dad died at 47 of a heart attack.
No, not really
https://www.medicalnewstoday.com/articles/heart-attack-age-range
The average age of people at the time of their first heart attack is 65.5 years for males and 72 years for females. Having a heart attack is less likely in younger people, and the risk increases as a person ages.